Steelworkers of the Jones and Laughlin Steel Corporation in Aliquippa Pennsylvania waiting for a bus to go home at the end… https://www.rawpixel.com/image/12277819/photo-image-face-person-public-domainFree Image from public domain licenseRichard E. Duffey, twenty-four, of Walled Lake, Michigan, explaining his latest victory to Lieutenant MacArthur Powers… https://www.rawpixel.com/image/12295944/photo-image-face-hand-personFree Image from public domain licenseA Polish Air Force C-130E cargo aircraft flies over Warsaw, Poland, during the country’s Armed Forces Day festivities, Aug.… https://www.rawpixel.com/image/8728352/photo-image-airplane-public-domain-natureFree Image from public domain license